N17Z RAIL-MOUNTED DIGITAL METER
Contents
1. rev rps rpm rph m h km h imp without unit on order 1 after agreeing with the manufacturer Ordering examples Code N17Z 01 4 G 1 8 00 means N17Z rail mounted digital meter 01 voltage input 300 V 4 4 digits display 10 mm high G green display colour 1 supply voltage 230 V 50 60 Hz 8 without extra quality inspection requirements 00 unit code acc to the table 2 V Meter for direct measurement with indication according to the input range The meter measures True RMS signal a c d c 13 Code N17Z 04 4 R 3 8 01 30 True RMS means 72 rail mounted digital meter 04 current input 0 05 5 A range 4 4 digit display 10 mm high R red display colour 3 supply voltage 24 V 50 60 Hz 8 without extra quality inspection requirements 01 unit code A 30 the meter is destined to co operate with an external current transformer 150 5 A programmed indication range 0 150A The meter measures only the a c signal without the constant component 8 MAINTENANCE AND WARRANTY The N17Z meter does not require any periodical maintenance In case of some incorrect operations 1 After the dispatch date and within the period stated in the warranty certificate One should return the instrument to the Manufacturer s Quality Inspection Dept If the module has been used in compliance with the instructions the Manufacturer warrants to repair it free2. voltage frequency up to mmy current versions input signals up to 6 mm supply up to 3 mm Meter dimensions are presented on the fig 2 14 Fig 2 Overall dimensions 4 2 External connection diagram The supply must be connected by a two wire conductor of suitable wire cross section ensuring its protection by an installation cut out Input Fig 3 Electrical connections of the N17Z meter The supply must be connected by a 2 wire cable of cross section ensuring its protection by means of an installation cut out In case of current measurements one must choose such a signal wire diameter that the flowing current does not cause the overheating of wires 5 HANDLING After connecting external signals and switching the supply on the meter automatically carries out the measurement and displays the measured value on the display field The meter blanks insignificant zeros In case of the lack of measuring signals the meter shows the 0 value The meter can be reprogrammed at the manufacturer service workshops and distributors One can reprogrammed following parameters kind of measured signals a c a c d c TRMS or d c indication range indication recalculation decimal point measurement averaging time unit fading up on off The appearance of following symbols on the display means AN dE Overflow of the upper value of the programmed indication range Overflow
3. of charge The disassembling of the housing causes the cancellation of the granted warranty 2 After the warranty period One should send the instrument to repair it in an authorized service workshop Spare parts are available for the period of five years from the date of purcha se Our policy is one of continuous improvement and we reserve the right to make changes in design and specifications of any products as engineering advances or necessity requires and revise the above specifications without notice 14 15 SALES PROGRAM MEASUREMENT DIGITAL and BARGRAPH PANEL METERS CONTROL MEASURING TRANSDUCERS ANALOG PANEL METERS DIN INSTRUMENTS RECORDING ANALOG and DIGITAL CLAMP ON METERS INDUSTRIAL and HOUSEHOLD CONTROLLERS CHART AND PAPERLESS RECORDERS POWER CONTROL UNITS and INVERTERS LARGE SIZE NUMERIC and ALPHANUMERIC DISPLAYS AUTOMOTIVE DASHBOARD INDICATORS ACCESSORIES FOR MEASURING INSTRUMENTS MEASURING SYSTEMS ENERGY HEAT CONTROL CUSTOM MADE PRODUCTS WE ALSO OFFER OUR SERVICES IN THE PRODUCTION OF m ALUMINIUM ALLOY PRESSURE CASTINGS m PRECISION ENGINEERING AND THERMOPLASTICS PARTS m PRESSURE CASTING DIES AND OTHER TOOLS QUALITY PROCEDURES According to ISO 9001 and ISO 14001 international requirements All our instruments have CE mark For more information please write to or phone our Export Department LUMEL Lubuskie Zaktady Aparat w Elektrycznych LUMEL S A ul Sulechowska 1 65 022 Zielona G r
4. of the lower value of the programmed indication range 6 TECHNICAL DATA INPUTS Voltage measuring range 1 100 V input resistance gt 600 kQ 3 300 V input resistance gt 1 8 MQ 5 500 V input resistance gt 3 MQ Measuring signal frequency 30 500 Hz Current measuring range 0 01 1A input resistance 20 mQ 10 0 05 5 input resistance 4 10 0 1 10A input resistance 2 mQ 10 0 4 40 A input resistance 0 5 mQ 10 Measuring signal frequency 30 500 Hz Measurement of 30 500 Hz frequency input resistance gt 3 Measuring signal amplitude 5 600 V Basic error voltage and current 0 596 of the range x 1 digit frequency 0 196 of the range x 1 digit Additional errors in rated operating conditions from ambient temperature changes 50 of the basic error 10 K Peak factor 1 7 Averaging time min 0 5 s default value 1 s Rated operating conditions supply voltage 230 V 50 60 Hz 10 110 V 50 60 Hz 10 24 V 50 60 Hz 10 24 V d c 10 ambient temperature 10 23 55 C storage temperature 25 85 C relative air humidity lt 95 inadmissible condensation working position any Sustained overload 20 10 Short duration overload 3 s voltage input 2 Un 1000 V current input 10 In Readout field 3 LED digits digit height 14 mm red green or blue indication range 199 999 4 LED digits digit height 10 mm red green or blue
5. IONAL SAFETY Symbols located in this service manual mean WARNING Warning of potential hazardous situations Especially important one must acquaint with this before connecting the module The non ob servance of notices marked by these symbols can occasion severe injuries of the personnel and the damage of the module CAUTION Designates a general useful note If you observe it handling of the meter is made easier One must take note of this when the meter is working inconsistently to the expectations Possible consequences if disregarded In the security scope the meter fulfils the requirements of the EEC Low Voltage Directive EN 61010 1 issued by CENELEC Remarks concerning the operator safety 1 General e The N17Z meter is destined to be installed in measuring systems e Non authorized removal of the required housing inappropriate use incorrect installation or operation creates the risk of injury to personnel or damage to equipment For more detailed information please study the user s manual e All operations concerning transport installation and commissioning as well as maintenance must be carried out by qualified skilled personnel and national regulations for the prevention of accidents must be observed According to this basic safety information qualified skilled personnel are persons who are familiar with the installation assembly commissioning and operation of the product and who have qualificat
6. RAIL MOUNTED DIGITAL METER N17Z TYPE lt mE USER S MANUAL C RAIL MOUNTED DIGITAL METER N17Z TYPE USER S MANUAL CONTENTS INS rennen 5 METERSE ceu IE ana ae ELI 5 3 BASIC REQUIREMENTS OPERATIONAL SAFETY 6 4 INSTALLATION 4 1 Fixing way 4 2 External connection diagram 8 S IHANDEING uuu anaq 9 6 TECHNICAL LL is deen i ai 10 T ORDERING GOBES m nito iiir erepto rte 12 8 MAINTENANCE AND WARRANTY 14 October 2006 KZ 1302 06 1 APPLICATION N17Z series meters mounted on 35 mm rail are destined to measure a c voltage and a c current up to 500 V 40 A and frequency up to 200 Hz The meter measures the True RMS signal measurement with constant component or only the variable component Parameters which can be reprogrammed are given in the section 5 HANDLING Parameters can be reprogrammed by distributors or in authorized workshops The 3 or 4 digit readout field is available in red green or blue colour Overall dimensions of the meter 52 5 x 90 x 64 5 mm frontal frame 52 5 x 45 mm Fig 1 View of the N17Z meter 8 version with 3 digit b version with 4 digits 2 METER SET The meter set includes s y user s manual warranty certificate 3 BASIC REQUIREMENTS OPERAT
7. a Poland Tel 48 68 3295 100 exchange Fax 48 68 3295 101 e mail lumel lumel com pl http www lumel com pl Export Department Tel 48 68 3295 302 or 304 Fax 48 68 3254 091 e mail export lumel com pl
8. indication range 1999 9999 Ensured protection degree from the frontal side IP20 Dimensions 52 5 x 90 x 64 5 mm Frontal frame 52 5 x 45 mm Weight 0 25 kg Power consumption 6 VA Preheating time 15 min Electromagnetic compatibility immunity 61000 6 2 emission 61000 6 4 Safety requirements acc to EN 61010 1 installation category III pollution level 2 N phase to earth working voltage 600 V a c 11 7 ORDERING CODES Table 1 Diera paner were mir Te x x Xe Input on order Number of digits 3 digits 14 mm high 4 digits 10 mm high Display colour Supply voltage 230 V 50 60 Hz 110 V 50 60 Hz 2 24 V 50 60 Hz 3 24 V d c 4 on order X Acceptance tests without extra quality requirements with an extra quality inspection certificate acc to customer s requirements Unit unit code number acc to the table 2 Description 1 introduce in case of another indication than the meter input range e g if for 5 we want the indication 300 write 5 300 Description 2 as standard the meter measures the a c d c signal write if it is to be different a c only a c measurement or d c only d c measurement 1 after agreeing with the manufacturer 12 Code of faded up unit Table 2
9. ions necessary for their occupation 2 Transport storage Please observe the notes on transport storage and appropriate handling Observe the climatic conditions given in Technical Data eo Installation The meter must be installed according to the regulation and instructions given in this User s Manual Ensure proper handling and avoid mechanical stress Do not bend any components and do not change any insulation distances Do not touch any electronic components and contacts e Meters may contain electrostatically sensitive components which can easily be damaged by inappropriate handling e Do not damage or destroy any electrical components since this might N endanger your health e Wire cross sections must be chosen such to assure the protection of the cable in case of a short circuit by means of an installation cut off e Requirements concerning the network cable are described in the EN 61010 1 standard Acut out or a circuit breaker should be installed in the building and be easily accessible for the operator A Electrical connection Before switching the meter on one must check the correctness of connection to the network e Incase of the protection terminal connection with a separate lead one must remember to connect it before the connection of the meter to the mains e When working on live meters the applicable national regulations for the prevention of accidents must be observed e The electrical ins
10. tallation must be carried out according to the appropriate regulations cable cross sections fuses PE connection Additional information can be obtained from the user s manual The documentation contains information about installation in compliance with EMC shielding grounding filters and cables These notes must be observed for all CE marked products The manufacturer of the measuring system or installed devices is responsible for the compliance with the required limit values demanded by the EMC legislation 5 Operation e Measuring systems including N17Z meters must be equipped with protection devices according to the corresponding standard and regulations for prevention of accidents e Afterthe instrument has been disconnected from the supply voltage live components and power connections must not be touched immediately because capacitors can be charged e The housing must be closed during operation 6 Maintenance and servicing Please observe the manufacturer s documentation Read all product specific safety and application notes in this user s manual e Before taking the meter out one must turn the supply off e The removal of the meter housing during the guarantee period may cause its cancellation 7 4 INSTALLATION 4 1 Fixing way The meter is designed to be fixed on a 35 mm rail acc to EN 60715 The meter has a terminal strip with terminals which enable the connection of external wires with cross sections
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